Add 80/50 and 9/70
1st number: 1 30/50, 2nd number: 9/70
80/50 + 9/70 is 121/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
80/50 = 80 × 7/50 × 7 = 560/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
9/70 = 9 × 5/70 × 5 = 45/350 - Add the two like fractions:
560/350 + 45/350 = 560 + 45/350 = 605/350 - 605/350 simplified gives 121/70
- So, 80/50 + 9/70 = 121/70
In mixed form: 151/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/50+18/70 80/50+27/70 80/50+45/70 80/50+63/70